diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/NavBarToHomeTouchController.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/NavBarToHomeTouchController.java
index 2ae90a5..39bbfb9 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/NavBarToHomeTouchController.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/NavBarToHomeTouchController.java
@@ -116,7 +116,7 @@
             if (TestProtocol.sDebugTracing) {
                 Log.d(TestProtocol.PAUSE_NOT_DETECTED,
                         "NavBarToHomeTouchController.canInterceptTouch true 2 "
-                                + AbstractFloatingView.getTopOpenView(mLauncher));
+                                + AbstractFloatingView.getTopOpenView(mLauncher), new Exception());
             }
             return true;
         }
diff --git a/src/com/android/launcher3/views/BaseDragLayer.java b/src/com/android/launcher3/views/BaseDragLayer.java
index 6915953..c37c47c 100644
--- a/src/com/android/launcher3/views/BaseDragLayer.java
+++ b/src/com/android/launcher3/views/BaseDragLayer.java
@@ -181,6 +181,11 @@
     }
 
     private TouchController findControllerToHandleTouch(MotionEvent ev) {
+        if (TestProtocol.sDebugTracing) {
+            Log.d(TestProtocol.PAUSE_NOT_DETECTED, "findControllerToHandleTouch ev=" + ev
+                    + ", isEventInLauncher=" + isEventInLauncher(ev)
+                    + ", topOpenView=" + AbstractFloatingView.getTopOpenView(mActivity));
+        }
         if (isEventInLauncher(ev)) {
             AbstractFloatingView topView = AbstractFloatingView.getTopOpenView(mActivity);
             if (topView != null && topView.onControllerInterceptTouchEvent(ev)) {